Extreme Pressure Polyurea-based Grease 7417

SINOPEC Extreme Pressure Polyurea-based Grease 7417 is a high-performance grease which combines a superior quality mineral oil with a polyurea thickener. The thickener system provides a high dropping point, while additives impart optimum extreme-pressure and anti-oxidization properties, and outstanding protection against rust and corrosion. According to GB/T 7631.8-90(ISO6743/9-1987), it can be classified as follow: L-XBEHB1, L-XBEHB2.

Features & Benefits

    ·  Excellent anti-wear and heavy load capability

    ·  Outstanding resistance to water washing and corrosion

    ·  Exceptional retention and resistance to high-temperature degradation

    ·  Prolonged service life

Specification

    ·  Grease 7417 meets the requirements of specification Q/SH 303.222-2004.

Applications

    ·  Grease 7417 is designed for the lubrication for various heavy-load bearings worked at high temperature. It is particularly recommended for applications such as large blower fan bearings, hot shaking sieve bearings, rolling mill bearings etc

    ·  Suitable operation temperature ranged from -20ºC to +160ºC

Typical Properties

Item 7417 Test Methods
2 1
Appearance Yellow to brown smooth buttery Eye View
1/4 Penetration(60 strokes),0.1mm 68 80 GB/T269
Evaporation Loss(150ºC,1h),wt% 0.8 1.0 SH/T0337
Oil Bleeding,%(m/m) 2.5 GB/T392
Apparent Viscosity(-10ºC,10s-1),Pa.s 1000 800 SH/T0048
Dropping Point,ºC 258 GB/T3498
Load Capability Weld load PD ,N 4900 GB/T 3142
Corrosion Test(T2Cu, 100ºC, 3h),method B pass GB/T7326

Attentions

    ·  Do not mix two different greases in one application because the greases may react chemically and deteriorate. Mixtures are, at best, a compromise between the characteristics of the two

    ·  Keep grease from being contaminated by water and dust during storage and transportation.